674387330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1877}}^1$

素因数の和:1995

約数の個数: 64

約数和(自身を含む): 1341342720

約数和(自身を除く): 666955390

約数列:

[1, 2, 5, 10, 19, 31, 38, 61, 62, 95, 122, 155, 190, 305, 310, 589, 610, 1159, 1178, 1877, 1891, 2318, 2945, 3754, 3782, 5795, 5890, 9385, 9455, 11590, 18770, 18910, 35663, 35929, 58187, 71326, 71858, 114497, 116374, 178315, 179645, 228994, 290935, 356630, 359290, 572485, 581870, 1105553, 1144970, 2175443, 2211106, 3549407, 4350886, 5527765, 7098814, 10877215, 11055530, 17747035, 21754430, 35494070, 67438733, 134877466, 337193665, 674387330]

約数ペア:

[(1, 674387330), (2, 337193665), (5, 134877466), (10, 67438733), (19, 35494070), (31, 21754430), (38, 17747035), (61, 11055530), (62, 10877215), (95, 7098814), (122, 5527765), (155, 4350886), (190, 3549407), (305, 2211106), (310, 2175443), (589, 1144970), (610, 1105553), (1159, 581870), (1178, 572485), (1877, 359290), (1891, 356630), (2318, 290935), (2945, 228994), (3754, 179645), (3782, 178315), (5795, 116374), (5890, 114497), (9385, 71858), (9455, 71326), (11590, 58187), (18770, 35929), (18910, 35663)]